Mop



FIG. 1 is a perspective view of a mop showing my new design;

FIG. 2 is a front view of the mop;

FIG. 3 is a right side view of the mop, the left side view being a mirror image thereof;

FIG. 4 is a back view of the mop;

FIG. 5 is a top view of the mop; and,

FIG. 6 is a bottom view of the mop.

Broken lines shown in the FIGS. are for illustrative purposes and form no part of the claimed design. 

The ornamental design for a mop, as shown and described. 